hytopia/docs/server.particleemitter.setlifetimevariance.md

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

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[Home](./index.md) &gt; [server](./server.md) &gt; [ParticleEmitter](./server.particleemitter.md) &gt; [setLifetimeVariance](./server.particleemitter.setlifetimevariance.md)

## ParticleEmitter.setLifetimeVariance() method

Sets the lifetime variance of an emitted particle in seconds.

**Signature:**

```typescript
setLifetimeVariance(lifetimeVariance: number): void;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

lifetimeVariance


</td><td>

number


</td><td>

The lifetime variance of an emitted particle in seconds.


</td></tr>
</tbody></table>
**Returns:**

void